Failed Inspection: Emissions on 1998 Nissan Sentra

code P0141. Need to know what sensor, location of sensors & how to make repairs to clear code. Thanks in advance !

Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
1 answer 2 comments
YOU HAVE A HEATER CIRCUIT ISSUE WITH YOUR 02 SENSOR, BUT IT MIGHT BE SOMETHING OTHER THAN JUST REPLACE O2 SENSOR YOU MAY HAVE A CIRCUIT ISSUE
where is the sensor located ? & About circuit issue.. R we talking harness wiring problems.?
im not at work to ck but there are codes that tell you which sensor. it could be sensor issues or wiring or corrision or grd problems. exp posssible melted wire